Romans-fleuves is a French term that refers to a literary genre that combines elements of historical novels and adventure stories with a focus on epic journeys along rivers. Synonyms for this term include "riverine novels," "river tales," and "navigational fiction." These types of novels typically feature characters on boats sailing down famous rivers such as the Mississippi, Amazon, or Nile. The genre has a long and storied history in literature, beginning with works like Mark Twain's "Adventures of Huckleberry Finn" and continuing to modern-day novels like Amitav Ghosh's "The Ibis Trilogy." Whether you're looking for a thrilling adventure or a depiction of life on the river, romans-fleuves has something to offer all readers.